报错内容：
17:21:59,843 INFO org.hibernate.tool.hbm2ddl.SchemaExport:226 – Running hbm2ddl schema export 17:21:59,859 DEBUG org.hibernate.tool.hbm2ddl.SchemaExport:242 – import file not found: /import.sql 17:21:59,859 INFO org.hibernate.tool.hbm2ddl.SchemaExport:251 – exporting generated schema to database 17:21:59,859 DEBUG org.hibernate.tool.hbm2ddl.SchemaExport:377 – drop table LongMao if exists 17:21:59,859 DEBUG org.hibernate.tool.hbm2ddl.SchemaExport:362 – Unsuccessful: drop table LongMao if exists 17:21:59,859 DEBUG org.hibernate.tool.hbm2ddl.SchemaExport:363 – You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘if exists’ at line 1 17:21:59,859 DEBUG org.hibernate.tool.hbm2ddl.SchemaExport:377 – create table LongMao (id integer generated by default as identity (start with 1), name varchar(255), primary key (id)) 17:21:59,859 ERROR org.hibernate.tool.hbm2ddl.SchemaExport:348 – Unsuccessful: create table LongMao (id integer generated by default as identity (start with 1), name varchar(255), primary key (id)) 17:21:59,859 ERROR org.hibernate.tool.hbm2ddl.SchemaExport:349 – You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘generated by default as identity (start with 1), name varchar(255), primary key ‘ at line 1 17:21:59,859 INFO org.hibernate.tool.hbm2ddl.SchemaExport:268 – schema export complete Hibernate: insert into LongMao (id, name) values (null, ?)17:21:59,953 WARN org.hibernate.util.JDBCExceptionReporter:100 – SQL Error: 1048, SQLState: 23000 17:21:59,953 ERROR org.hibernate.util.JDBCExceptionReporter:101 – Column ‘id’ cannot be null
—————————-
修改为：
<!– SQL dialect –><property name="dialect">org.hibernate.dialect.MySQLDialect</property>
注意：MySQL是这样拼的，第二个字母小写
建议直接去文档复制，不要再自己动手敲了
，自己战胜自己是最可贵的胜利。
